Wireless temperature measurement system for connection terminals of motor
A technology of wireless temperature measurement and terminal blocks, which is applied in signal transmission systems, thermometers and thermometers using directly heat-sensitive electric/magnetic components, etc., can solve the problem of narrow space in the motor junction box, affecting the insulation performance of the leads, and reducing the safety of the motor Coefficient and other issues, to achieve the effect of wide application range, compact structure and low cost
Active Publication Date: 2015-06-03
SHENYANG INST OF AUTOMATION - CHINESE ACAD OF SCI
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Problems solved by technology
In the occasions where the working environment of the motor is complex, the cable laying project requires a large amount of construction and high costs
However, a small number of wireless temperature measurement systems also connect the temperature sensor to the wireless communication device through lead wires, so too many lead wires will make the space of the motor junction box extremely narrow, affecting the insulation performance between the lead wires, thereby reducing the safety factor of the motor
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[0036] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.
[0037] figure 1 Shown is a schematic diagram of the overall structure of the system. The entire system is in a "star-network" structure, and multiple wireless temperature measurement sensors and repeaters form a star communication structure. Within the effective communication range, a wireless repeater can receive temperature data from up to 256 sensors to achieve temperature data collection in an area. At the same time, the wireless repeater itself has routing and self-organizing functions. Multiple repeaters form a network structure, which can complete temperature data collection in multiple areas while ensuring reliable communication. This structure can make the coverage of the temperature measurement point wider, and can better adapt to the complicated working environment of the motor.
[0038] figure 2 Shown is a schematic diagram of ...
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The invention discloses a wireless temperature measurement system for connection terminals of a motor. The system comprises wireless temperature measurement sensors, wireless relays and a wireless gateway computer, wherein the wireless temperature measurement sensors are provided with mounting lugs, can be directly and fixedly arranged on binding posts in a junction box of the motor, and are used for accurately detecting the temperature of the connection terminals in real time, and transmitting temperature data to the wireless relays through radio frequency signals; the wireless relays are arranged nearby the wireless temperature measurement sensors, and are used for aggregating and forwarding the data of the wireless temperature measurement sensors within an effectively communication range; the wireless gateway computer is used for communicating with a master monitoring station, and transmitting the wireless temperature measurement data to the master monitoring station. According to the system, the wireless temperature measurement sensors are not provided with any external lead, so that the system is small in size and easy to mount; the temperature of the connection terminals of the motor can be monitored in real time, and the master monitoring station can be matched to effectively determine heating failures of the connection terminals of the motor, so that the safe and reliable running of the motor is ensured.
Description
technical field [0001] The invention relates to a motor temperature measurement system, in particular to a wireless temperature measurement system used at motor connection terminals. Background technique [0002] Since the body of the motor is in a vibrating state when it is running, it is easy to cause the terminals to loosen when it runs for a long time, resulting in an increase in local resistance. When the current continues to pass through, it will cause overheating at the motor joints. If it cannot be detected in time, it will cause a fault or even burn the motor. [0003] At present, there are not many temperature measurement systems for motor terminals, and most of them are wired temperature measurement methods. In the occasions where the working environment of the motor is complex, the cable laying project requires a large amount of construction and high costs. However, a small number of wireless temperature measurement systems also connect the temperature sensor t...
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Login to View More IPC IPC(8): G01K7/00G08C17/02
Inventor 崔世界尚志军曾鹏于海斌王芝茗葛维春赵庆杞张宏宇
Owner SHENYANG INST OF AUTOMATION - CHINESE ACAD OF SCI